Secrets of Great British Castles S01E04 - Caernarfon

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the building of which began in 1283 on the orders of Edward I. He demonstrates how the castle's vast stone walls and strategically designed towers repelled all enemies, even the Welsh national hero Owain Glyndwr, earning itself a truly forbidding reputation, but its military importance faded at the end of the 15th century when Henry Tudor - a Welshman - made his way on to the English throne.